00001 /* 00002 * Copyright 2000 Murray Cumming 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Library General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2 of the License, or (at your option) any later version. 00008 * 00009 * This library is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Library General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Library General Public 00015 * License along with this library; if not, write to the Free 00016 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef BAKERY_DOCUMENT_H 00020 #define BAKERY_DOCUMENT_H 00021 00022 #include "bakery/View/View.h" 00023 #include <glibmm.h> 00024 00025 #include <iostream> 00026 00027 namespace Bakery 00028 { 00029 00034 class Document 00035 { 00036 public: 00037 Document(); 00038 virtual ~Document(); 00039 00040 /* Saves the data to disk. 00041 * Asks the View to update this document before saving to disk, 00042 * but you should probably ensure that the document is updated more regularly than this, 00043 * so that different parts of the GUI are synchronized. 00044 * Only saves if the document has been modified. 00045 * bool indicates success. 00046 */ 00047 virtual bool save(); 00048 00049 /* Loads data from disk, then asks the View to update itself. 00050 * bool indicates success. 00051 */ 00052 virtual bool load(); 00053 00054 virtual bool get_modified() const; 00055 virtual void set_modified(bool bVal = true); 00056 00058 virtual bool get_is_new() const; 00060 void set_is_new(bool bVal); 00061 00062 virtual Glib::ustring get_contents() const; 00063 virtual void set_contents(const Glib::ustring& strVal); 00064 00065 virtual Glib::ustring get_file_uri_with_extension(const Glib::ustring& uri); 00066 00067 virtual Glib::ustring get_file_uri() const; 00068 virtual void set_file_uri(const Glib::ustring& file_uri, bool bEnforceFileExtension = false); 00069 00071 virtual Glib::ustring get_name() const; 00072 static Glib::ustring util_file_uri_get_name(const Glib::ustring& file_uri, const Glib::ustring& file_extension); 00073 00074 virtual bool get_read_only() const; 00075 virtual void set_read_only(bool bVal); 00076 00078 virtual void set_view(ViewBase* pView); 00079 virtual ViewBase* get_view(); 00080 00081 virtual void set_file_extension(const Glib::ustring& strVal); 00082 virtual Glib::ustring get_file_extension() const; 00083 00084 //Signals 00087 typedef sigc::signal<void, bool> type_signal_modified; 00088 00092 type_signal_modified& signal_modified(); 00093 00094 typedef sigc::signal<void> type_signal_forget; 00095 00099 type_signal_forget& signal_forget(); 00100 00102 00103 protected: 00107 virtual bool load_after(); 00108 00112 virtual bool save_before(); 00113 00114 virtual bool read_from_disk(); 00115 virtual bool write_to_disk(); 00116 00117 Glib::ustring m_strContents; 00118 Glib::ustring m_file_uri; 00119 Glib::ustring m_file_extension; 00120 00121 ViewBase* m_pView; 00122 00123 type_signal_modified signal_modified_; 00124 type_signal_forget signal_forget_; 00125 00126 bool m_bModified; 00127 bool m_bIsNew; //see get_is_new(). 00128 bool m_bReadOnly; 00129 }; 00130 00131 } //namespace 00132 00133 #endif //GNOME_APPWITHDOCS_DOCUMENT_H